Vastly extended drug release from poly(pro-17β-estradiol) materials facilitates in vitro neurotrophism and neuroprotection.

Abstract:

:Central nervous system (CNS) injuries persist for years, and currently there are no therapeutics that can address the complex injury cascade that develops over this time-scale. 17β-estradiol (E2) has broad tropism within the CNS, targeting and inducing beneficial phenotypic changes in myriad cells following injury. To address the unmet need for vastly prolonged E2 release, we report first-generation poly(pro-E2) biomaterial scaffolds that release E2 at nanomolar concentrations over the course of 1-10 years via slow hydrolysis in vitro. As a result of their finely tuned properties, these scaffolds demonstrate the ability to promote and guide neurite extension ex vivo and protect neurons from oxidative stress in vitro. The design and testing of these materials reported herein demonstrate the first step towards next-generation implantable biomaterials with prolonged release and excellent regenerative potential.

journal_name

Nat Commun

journal_title

Nature communications

authors

D'Amato AR,Puhl DL,Ellman SAT,Balouch B,Gilbert RJ,Palermo EF

doi

10.1038/s41467-019-12835-w

subject

Has Abstract

pub_date

2019-10-23 00:00:00

pages

4830

issue

1

issn

2041-1723

pii

10.1038/s41467-019-12835-w

journal_volume

10

pub_type

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